[INFO] cloning repository https://github.com/tekjar/mqtt311
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tekjar/mqtt311" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7566ce9df5ac31faab1989c66486d784016199a3
[INFO] testing tekjar/mqtt311 against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftekjar%2Fmqtt311" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tekjar/mqtt311 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tekjar/mqtt311
[INFO] finished tweaking git repo https://github.com/tekjar/mqtt311
[INFO] tweaked toml for git repo https://github.com/tekjar/mqtt311 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tekjar/mqtt311 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47015061cfdd3dfe81a8e6fa512d450171c7de65aea0d8b636722096d0ea56d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47015061cfdd3dfe81a8e6fa512d450171c7de65aea0d8b636722096d0ea56d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47015061cfdd3dfe81a8e6fa512d450171c7de65aea0d8b636722096d0ea56d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47015061cfdd3dfe81a8e6fa512d450171c7de65aea0d8b636722096d0ea56d3", kill_on_drop: false }`
[INFO] [stdout] 47015061cfdd3dfe81a8e6fa512d450171c7de65aea0d8b636722096d0ea56d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6d913375121a5d8b0ad0e527f56e9e51a2b2b131e15f61a13bf40a3e04ce9af
[INFO] running `Command { std: "docker" "start" "-a" "a6d913375121a5d8b0ad0e527f56e9e51a2b2b131e15f61a13bf40a3e04ce9af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.82s
[INFO] running `Command { std: "docker" "inspect" "a6d913375121a5d8b0ad0e527f56e9e51a2b2b131e15f61a13bf40a3e04ce9af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d913375121a5d8b0ad0e527f56e9e51a2b2b131e15f61a13bf40a3e04ce9af", kill_on_drop: false }`
[INFO] [stdout] a6d913375121a5d8b0ad0e527f56e9e51a2b2b131e15f61a13bf40a3e04ce9af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a74cd1c6e3793c56d16549dfc32827d59135e2af658f701108e45823a0803b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "27a74cd1c6e3793c56d16549dfc32827d59135e2af658f701108e45823a0803b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mqtt311 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "27a74cd1c6e3793c56d16549dfc32827d59135e2af658f701108e45823a0803b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a74cd1c6e3793c56d16549dfc32827d59135e2af658f701108e45823a0803b", kill_on_drop: false }`
[INFO] [stdout] 27a74cd1c6e3793c56d16549dfc32827d59135e2af658f701108e45823a0803b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebba6c7d2232f26d2ea0a107ef3b23d5ce5798c763a1799a60fd3dab7ba15c5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ebba6c7d2232f26d2ea0a107ef3b23d5ce5798c763a1799a60fd3dab7ba15c5a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mqtt311-9a8c92340d0e2ce8
[INFO] [stdout] running 24 tests
[INFO] [stdout] test read::test::read_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test msg::test::message_to_pub_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos0_test ... ok
[INFO] [stdout] test read::test::read_packet_puback_test ... ok
[INFO] [stdout] test read::test::read_packet_publish_qos1_test ... ok
[INFO] [stdout] test read::test::read_packet_subscribe_test ... ok
[INFO] [stdout] test read::test::read_packet_suback_test ... ok
[INFO] [stdout] test read::test::read_packet_unsubscribe_test ... ok
[INFO] [stdout] test msg::test::to_topic_name_test ... ok
[INFO] [stdout] test read::test::read_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test read::test::read_packet_connack_test ... ok
[INFO] [stdout] test msg::test::message_from_pub_test ... ok
[INFO] [stdout] test test::packet_identifier_test ... ok
[INFO] [stdout] test test::protocol_test ... ok
[INFO] [stdout] test topic::test::topic_path_test ... ok
[INFO] [stdout] test topic::test::wildcards_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqtt_protocol_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_most_once_test ... ok
[INFO] [stdout] test write::test::write_packet_connack_test ... ok
[INFO] [stdout] test write::test::write_packet_connect_mqisdp_protocol_test ... ok
[INFO] [stdout] test test::qos_min_test ... ok
[INFO] [stdout] test write::test::write_packet_publish_at_least_once_test ... ok
[INFO] [stdout] test topic::test::topic_is_not_valid_test ... ok
[INFO] [stdout] test write::test::write_packet_subscribe_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mqtt311
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebba6c7d2232f26d2ea0a107ef3b23d5ce5798c763a1799a60fd3dab7ba15c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebba6c7d2232f26d2ea0a107ef3b23d5ce5798c763a1799a60fd3dab7ba15c5a", kill_on_drop: false }`
[INFO] [stdout] ebba6c7d2232f26d2ea0a107ef3b23d5ce5798c763a1799a60fd3dab7ba15c5a